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Re: Not getting IPv6 link local address when link carrier goes up -> down -> up

Floris Bos

Sun Oct 20 11:24:33 2019
On 10/20/19 1:13 PM, Roy Marples wrote:

On 20/10/2019 11:51, Floris Bos wrote:

Same problem when I compile dhcpcd 8.1.1 from source.

OK.

Can you add this to the top of /etc/dhcpcd.conf please?

debug

Then restart dhcpcd.
You'll get a lot more debug output in the logs which might indicate where the issue lies. 


==

pi@raspberrypi:~ $ journalctl -b -u dhcpcd |grep usb0
Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: interface added
Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: executing `/libexec/dhcpcd-run-hooks' PREINIT Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: executing `/libexec/dhcpcd-run-hooks' NOCARRIER 
Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: waiting for carrier
Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: carrier acquired
Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: executing `/libexec/dhcpcd-run-hooks' CARRIER 
Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: IAID 60:99:b3:1e
Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: adding address fe80::62c8:16be:6909:4f84 Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: pltime infinity, vltime infinity Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: delaying IPv6 router solicitation for 0.6 seconds 
Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: delaying IPv4 for 0.8 seconds
Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: carrier lost
Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: executing `/libexec/dhcpcd-run-hooks' NOCARRIER Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: deleting address fe80::62c8:16be:6909:4f84 
Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: carrier acquired
Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: executing `/libexec/dhcpcd-run-hooks' CARRIER 
Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: IAID 60:99:b3:1e
Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: delaying IPv6 router solicitation for 0.6 seconds 
Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: delaying IPv4 for 0.1 seconds
Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: using ClientID 01:fa:00:60:99:b3:1e 
Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: soliciting a DHCP lease
Oct 20 12:15:29 raspberrypi dhcpcd[396]: usb0: sending DISCOVER (xid 0xc7aab8d3), next in 4.6 seconds 
Oct 20 12:15:30 raspberrypi dhcpcd[396]: usb0: soliciting an IPv6 router
Oct 20 12:15:30 raspberrypi dhcpcd[396]: usb0: delaying Router Solicitation for LL address Oct 20 12:15:34 raspberrypi dhcpcd[396]: usb0: sending DISCOVER (xid 0xc7aab8d3), next in 8.8 seconds 
Oct 20 12:15:34 raspberrypi dhcpcd[396]: usb0: probing for an IPv4LL address
Oct 20 12:15:34 raspberrypi dhcpcd[396]: usb0: probing for 169.254.140.228
Oct 20 12:15:34 raspberrypi dhcpcd[396]: usb0: ARP probing 169.254.140.228 (1 of 3), next in 2.0 seconds Oct 20 12:15:36 raspberrypi dhcpcd[396]: usb0: ARP probing 169.254.140.228 (2 of 3), next in 1.4 seconds Oct 20 12:15:38 raspberrypi dhcpcd[396]: usb0: ARP probing 169.254.140.228 (3 of 3), next in 2.0 seconds Oct 20 12:15:40 raspberrypi dhcpcd[396]: usb0: using IPv4LL address 169.254.140.228 Oct 20 12:15:40 raspberrypi dhcpcd[396]: usb0: adding IP address 169.254.140.228/16 broadcast 169.254.255.255 Oct 20 12:15:40 raspberrypi dhcpcd[396]: usb0: adding route to 169.254.0.0/16 Oct 20 12:15:40 raspberrypi dhcpcd[396]: usb0: ARP announcing 169.254.140.228 (1 of 2), next in 2.0 seconds Oct 20 12:15:40 raspberrypi dhcpcd[396]: usb0: executing `/libexec/dhcpcd-run-hooks' IPV4LL Oct 20 12:15:42 raspberrypi dhcpcd[396]: usb0: ARP announcing 169.254.140.228 (2 of 2) Oct 20 12:15:43 raspberrypi dhcpcd[396]: usb0: sending DISCOVER (xid 0xc7aab8d3), next in 16.9 seconds Oct 20 12:16:00 raspberrypi dhcpcd[396]: usb0: sending DISCOVER (xid 0xc7aab8d3), next in 31.5 seconds 
==



When running your command:


==

Oct 20 12:21:21 raspberrypi dhcpcd[402]: usb0: carrier lost
Oct 20 12:21:21 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' NOCARRIER Oct 20 12:21:21 raspberrypi dhcpcd[402]: usb0: deleting IP address 169.254.140.228/16 Oct 20 12:21:21 raspberrypi dhcpcd[402]: usb0: deleting route to 169.254.0.0/16 Oct 20 12:21:21 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' IPV4LL Oct 20 12:21:21 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' EXPIRE 
Oct 20 12:21:21 raspberrypi dhcpcd[402]: usb0: carrier acquired
Oct 20 12:21:21 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' CARRIER 
Oct 20 12:21:21 raspberrypi dhcpcd[402]: usb0: IAID 60:99:b3:1e
Oct 20 12:21:21 raspberrypi dhcpcd[402]: usb0: adding address fe80::62c8:16be:6909:4f84 Oct 20 12:21:21 raspberrypi dhcpcd[402]: usb0: pltime infinity, vltime infinity Oct 20 12:21:21 raspberrypi dhcpcd[402]: usb0: delaying IPv6 router solicitation for 0.7 seconds 
Oct 20 12:21:21 raspberrypi dhcpcd[402]: usb0: delaying IPv4 for 0.4 seconds
Oct 20 12:21:21 raspberrypi dhcpcd[402]: usb0: using ClientID 01:fa:00:60:99:b3:1e 
Oct 20 12:21:21 raspberrypi dhcpcd[402]: usb0: soliciting a DHCP lease
Oct 20 12:21:21 raspberrypi dhcpcd[402]: usb0: sending DISCOVER (xid 0xe5fbe3b3), next in 3.1 seconds 
Oct 20 12:21:21 raspberrypi dhcpcd[402]: usb0: soliciting an IPv6 router
Oct 20 12:21:21 raspberrypi dhcpcd[402]: usb0: delaying Router Solicitation for LL address 
Oct 20 12:21:23 raspberrypi dhcpcd[402]: usb0: sending Router Solicitation
Oct 20 12:21:24 raspberrypi dhcpcd[402]: usb0: carrier lost
Oct 20 12:21:24 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' NOCARRIER Oct 20 12:21:24 raspberrypi dhcpcd[402]: usb0: deleting address fe80::62c8:16be:6909:4f84 Oct 20 12:21:24 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' EXPIRE 
Oct 20 12:21:24 raspberrypi dhcpcd[402]: usb0: carrier acquired
Oct 20 12:21:24 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' CARRIER 
Oct 20 12:21:24 raspberrypi dhcpcd[402]: usb0: IAID 60:99:b3:1e
Oct 20 12:21:24 raspberrypi dhcpcd[402]: usb0: adding address fe80::62c8:16be:6909:4f84 Oct 20 12:21:24 raspberrypi dhcpcd[402]: usb0: pltime infinity, vltime infinity Oct 20 12:21:24 raspberrypi dhcpcd[402]: usb0: delaying IPv6 router solicitation for 0.5 seconds 
Oct 20 12:21:24 raspberrypi dhcpcd[402]: usb0: delaying IPv4 for 0.2 seconds
Oct 20 12:21:24 raspberrypi dhcpcd[402]: usb0: using ClientID 01:fa:00:60:99:b3:1e 
Oct 20 12:21:24 raspberrypi dhcpcd[402]: usb0: soliciting a DHCP lease
Oct 20 12:21:24 raspberrypi dhcpcd[402]: usb0: sending DISCOVER (xid 0xc715092a), next in 4.4 seconds 
Oct 20 12:21:24 raspberrypi dhcpcd[402]: usb0: soliciting an IPv6 router
Oct 20 12:21:24 raspberrypi dhcpcd[402]: usb0: delaying Router Solicitation for LL address 
Oct 20 12:21:25 raspberrypi dhcpcd[402]: usb0: sending Router Solicitation
Oct 20 12:21:27 raspberrypi dhcpcd[402]: usb0: carrier lost
Oct 20 12:21:27 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' NOCARRIER Oct 20 12:21:27 raspberrypi dhcpcd[402]: usb0: deleting address fe80::62c8:16be:6909:4f84 Oct 20 12:21:27 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' EXPIRE 
Oct 20 12:21:27 raspberrypi dhcpcd[402]: usb0: carrier acquired
Oct 20 12:21:27 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' CARRIER 
Oct 20 12:21:27 raspberrypi dhcpcd[402]: usb0: IAID 60:99:b3:1e
Oct 20 12:21:27 raspberrypi dhcpcd[402]: usb0: adding address fe80::62c8:16be:6909:4f84 Oct 20 12:21:27 raspberrypi dhcpcd[402]: usb0: pltime infinity, vltime infinity Oct 20 12:21:27 raspberrypi dhcpcd[402]: usb0: delaying IPv6 router solicitation for 0.1 seconds 
Oct 20 12:21:27 raspberrypi dhcpcd[402]: usb0: delaying IPv4 for 0.1 seconds
Oct 20 12:21:27 raspberrypi dhcpcd[402]: usb0: using ClientID 01:fa:00:60:99:b3:1e 
Oct 20 12:21:27 raspberrypi dhcpcd[402]: usb0: soliciting a DHCP lease
Oct 20 12:21:27 raspberrypi dhcpcd[402]: usb0: sending DISCOVER (xid 0x88206afc), next in 4.4 seconds 
Oct 20 12:21:27 raspberrypi dhcpcd[402]: usb0: soliciting an IPv6 router
Oct 20 12:21:27 raspberrypi dhcpcd[402]: usb0: delaying Router Solicitation for LL address 
Oct 20 12:21:28 raspberrypi dhcpcd[402]: usb0: sending Router Solicitation
Oct 20 12:21:30 raspberrypi dhcpcd[402]: usb0: carrier lost
Oct 20 12:21:30 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' NOCARRIER Oct 20 12:21:30 raspberrypi dhcpcd[402]: usb0: deleting address fe80::62c8:16be:6909:4f84 Oct 20 12:21:30 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' EXPIRE 
Oct 20 12:21:30 raspberrypi dhcpcd[402]: usb0: carrier acquired
Oct 20 12:21:30 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' CARRIER 
Oct 20 12:21:30 raspberrypi dhcpcd[402]: usb0: IAID 60:99:b3:1e
Oct 20 12:21:30 raspberrypi dhcpcd[402]: usb0: adding address fe80::62c8:16be:6909:4f84 Oct 20 12:21:30 raspberrypi dhcpcd[402]: usb0: pltime infinity, vltime infinity Oct 20 12:21:30 raspberrypi dhcpcd[402]: usb0: delaying IPv6 router solicitation for 0.4 seconds 
Oct 20 12:21:30 raspberrypi dhcpcd[402]: usb0: delaying IPv4 for 0.5 seconds
Oct 20 12:21:30 raspberrypi dhcpcd[402]: usb0: soliciting an IPv6 router
Oct 20 12:21:30 raspberrypi dhcpcd[402]: usb0: delaying Router Solicitation for LL address Oct 20 12:21:30 raspberrypi dhcpcd[402]: usb0: using ClientID 01:fa:00:60:99:b3:1e 
Oct 20 12:21:30 raspberrypi dhcpcd[402]: usb0: soliciting a DHCP lease
Oct 20 12:21:30 raspberrypi dhcpcd[402]: usb0: sending DISCOVER (xid 0xc9d8967b), next in 4.6 seconds 
Oct 20 12:21:32 raspberrypi dhcpcd[402]: usb0: sending Router Solicitation
Oct 20 12:21:33 raspberrypi dhcpcd[402]: usb0: carrier lost
Oct 20 12:21:33 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' NOCARRIER Oct 20 12:21:33 raspberrypi dhcpcd[402]: usb0: deleting address fe80::62c8:16be:6909:4f84 Oct 20 12:21:33 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' EXPIRE 
Oct 20 12:21:33 raspberrypi dhcpcd[402]: usb0: carrier acquired
Oct 20 12:21:33 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' CARRIER 
Oct 20 12:21:33 raspberrypi dhcpcd[402]: usb0: IAID 60:99:b3:1e
Oct 20 12:21:33 raspberrypi dhcpcd[402]: usb0: adding address fe80::62c8:16be:6909:4f84 Oct 20 12:21:33 raspberrypi dhcpcd[402]: usb0: pltime infinity, vltime infinity Oct 20 12:21:33 raspberrypi dhcpcd[402]: usb0: delaying IPv6 router solicitation for 0.3 seconds 
Oct 20 12:21:33 raspberrypi dhcpcd[402]: usb0: delaying IPv4 for 0.1 seconds
Oct 20 12:21:33 raspberrypi dhcpcd[402]: usb0: using ClientID 01:fa:00:60:99:b3:1e 
Oct 20 12:21:33 raspberrypi dhcpcd[402]: usb0: soliciting a DHCP lease
Oct 20 12:21:33 raspberrypi dhcpcd[402]: usb0: sending DISCOVER (xid 0x7e7221c2), next in 3.9 seconds 
Oct 20 12:21:33 raspberrypi dhcpcd[402]: usb0: soliciting an IPv6 router
Oct 20 12:21:33 raspberrypi dhcpcd[402]: usb0: delaying Router Solicitation for LL address 
Oct 20 12:21:34 raspberrypi dhcpcd[402]: usb0: sending Router Solicitation
Oct 20 12:21:36 raspberrypi dhcpcd[402]: usb0: carrier lost
Oct 20 12:21:36 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' NOCARRIER Oct 20 12:21:36 raspberrypi dhcpcd[402]: usb0: deleting address fe80::62c8:16be:6909:4f84 Oct 20 12:21:36 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' EXPIRE 
Oct 20 12:21:36 raspberrypi dhcpcd[402]: usb0: carrier acquired
Oct 20 12:21:36 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' CARRIER 
Oct 20 12:21:36 raspberrypi dhcpcd[402]: usb0: IAID 60:99:b3:1e
Oct 20 12:21:36 raspberrypi dhcpcd[402]: usb0: adding address fe80::62c8:16be:6909:4f84 Oct 20 12:21:36 raspberrypi dhcpcd[402]: usb0: pltime infinity, vltime infinity Oct 20 12:21:36 raspberrypi dhcpcd[402]: usb0: delaying IPv6 router solicitation for 0.4 seconds 
Oct 20 12:21:36 raspberrypi dhcpcd[402]: usb0: delaying IPv4 for 0.5 seconds
Oct 20 12:21:36 raspberrypi dhcpcd[402]: usb0: soliciting an IPv6 router
Oct 20 12:21:36 raspberrypi dhcpcd[402]: usb0: delaying Router Solicitation for LL address Oct 20 12:21:36 raspberrypi dhcpcd[402]: usb0: using ClientID 01:fa:00:60:99:b3:1e 
Oct 20 12:21:36 raspberrypi dhcpcd[402]: usb0: soliciting a DHCP lease
Oct 20 12:21:36 raspberrypi dhcpcd[402]: usb0: sending DISCOVER (xid 0x92eaed7d), next in 4.7 seconds 
Oct 20 12:21:37 raspberrypi dhcpcd[402]: usb0: sending Router Solicitation
Oct 20 12:21:39 raspberrypi dhcpcd[402]: usb0: carrier lost
Oct 20 12:21:39 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' NOCARRIER Oct 20 12:21:39 raspberrypi dhcpcd[402]: usb0: deleting address fe80::62c8:16be:6909:4f84 Oct 20 12:21:39 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' EXPIRE 
Oct 20 12:21:39 raspberrypi dhcpcd[402]: usb0: carrier acquired
Oct 20 12:21:39 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' CARRIER 
Oct 20 12:21:39 raspberrypi dhcpcd[402]: usb0: IAID 60:99:b3:1e
Oct 20 12:21:39 raspberrypi dhcpcd[402]: usb0: adding address fe80::62c8:16be:6909:4f84 Oct 20 12:21:39 raspberrypi dhcpcd[402]: usb0: pltime infinity, vltime infinity Oct 20 12:21:39 raspberrypi dhcpcd[402]: usb0: delaying IPv6 router solicitation for 0.8 seconds 
Oct 20 12:21:39 raspberrypi dhcpcd[402]: usb0: delaying IPv4 for 0.2 seconds
Oct 20 12:21:39 raspberrypi dhcpcd[402]: usb0: using ClientID 01:fa:00:60:99:b3:1e 
Oct 20 12:21:39 raspberrypi dhcpcd[402]: usb0: soliciting a DHCP lease
Oct 20 12:21:39 raspberrypi dhcpcd[402]: usb0: sending DISCOVER (xid 0x24412b0e), next in 3.9 seconds 
Oct 20 12:21:40 raspberrypi dhcpcd[402]: usb0: soliciting an IPv6 router
Oct 20 12:21:40 raspberrypi dhcpcd[402]: usb0: delaying Router Solicitation for LL address 
Oct 20 12:21:41 raspberrypi dhcpcd[402]: usb0: sending Router Solicitation
Oct 20 12:21:42 raspberrypi dhcpcd[402]: usb0: carrier lost
Oct 20 12:21:42 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' NOCARRIER Oct 20 12:21:42 raspberrypi dhcpcd[402]: usb0: deleting address fe80::62c8:16be:6909:4f84 Oct 20 12:21:42 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' EXPIRE 
Oct 20 12:21:42 raspberrypi dhcpcd[402]: usb0: carrier acquired
Oct 20 12:21:42 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' CARRIER 
Oct 20 12:21:42 raspberrypi dhcpcd[402]: usb0: IAID 60:99:b3:1e
Oct 20 12:21:42 raspberrypi dhcpcd[402]: usb0: adding address fe80::62c8:16be:6909:4f84 Oct 20 12:21:42 raspberrypi dhcpcd[402]: usb0: pltime infinity, vltime infinity Oct 20 12:21:42 raspberrypi dhcpcd[402]: usb0: delaying IPv6 router solicitation for 0.7 seconds 
Oct 20 12:21:42 raspberrypi dhcpcd[402]: usb0: delaying IPv4 for 0.8 seconds
Oct 20 12:21:43 raspberrypi dhcpcd[402]: usb0: soliciting an IPv6 router
Oct 20 12:21:43 raspberrypi dhcpcd[402]: usb0: delaying Router Solicitation for LL address Oct 20 12:21:43 raspberrypi dhcpcd[402]: usb0: using ClientID 01:fa:00:60:99:b3:1e 
Oct 20 12:21:43 raspberrypi dhcpcd[402]: usb0: soliciting a DHCP lease
Oct 20 12:21:43 raspberrypi dhcpcd[402]: usb0: sending DISCOVER (xid 0x22445c29), next in 4.3 seconds 
Oct 20 12:21:43 raspberrypi dhcpcd[402]: usb0: sending Router Solicitation
Oct 20 12:21:45 raspberrypi dhcpcd[402]: usb0: carrier lost
Oct 20 12:21:45 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' NOCARRIER Oct 20 12:21:45 raspberrypi dhcpcd[402]: usb0: deleting address fe80::62c8:16be:6909:4f84 Oct 20 12:21:45 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' EXPIRE 
Oct 20 12:21:45 raspberrypi dhcpcd[402]: usb0: carrier acquired
Oct 20 12:21:45 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' CARRIER 
Oct 20 12:21:45 raspberrypi dhcpcd[402]: usb0: IAID 60:99:b3:1e
Oct 20 12:21:45 raspberrypi dhcpcd[402]: usb0: adding address fe80::62c8:16be:6909:4f84 Oct 20 12:21:45 raspberrypi dhcpcd[402]: usb0: pltime infinity, vltime infinity Oct 20 12:21:45 raspberrypi dhcpcd[402]: usb0: delaying IPv6 router solicitation for 0.1 seconds 
Oct 20 12:21:45 raspberrypi dhcpcd[402]: usb0: delaying IPv4 for 0.8 seconds
Oct 20 12:21:45 raspberrypi dhcpcd[402]: usb0: soliciting an IPv6 router
Oct 20 12:21:45 raspberrypi dhcpcd[402]: usb0: delaying Router Solicitation for LL address Oct 20 12:21:46 raspberrypi dhcpcd[402]: usb0: using ClientID 01:fa:00:60:99:b3:1e 
Oct 20 12:21:46 raspberrypi dhcpcd[402]: usb0: soliciting a DHCP lease
Oct 20 12:21:46 raspberrypi dhcpcd[402]: usb0: sending DISCOVER (xid 0x28a8590), next in 4.2 seconds 
Oct 20 12:21:47 raspberrypi dhcpcd[402]: usb0: sending Router Solicitation
Oct 20 12:21:48 raspberrypi dhcpcd[402]: usb0: carrier lost
Oct 20 12:21:48 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' NOCARRIER Oct 20 12:21:48 raspberrypi dhcpcd[402]: usb0: deleting address fe80::62c8:16be:6909:4f84 Oct 20 12:21:48 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' EXPIRE 
Oct 20 12:21:48 raspberrypi dhcpcd[402]: usb0: carrier acquired
Oct 20 12:21:48 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' CARRIER 
Oct 20 12:21:48 raspberrypi dhcpcd[402]: usb0: IAID 60:99:b3:1e
Oct 20 12:21:48 raspberrypi dhcpcd[402]: usb0: adding address fe80::62c8:16be:6909:4f84 Oct 20 12:21:48 raspberrypi dhcpcd[402]: usb0: pltime infinity, vltime infinity Oct 20 12:21:48 raspberrypi dhcpcd[402]: usb0: delaying IPv6 router solicitation for 0.9 seconds 
Oct 20 12:21:48 raspberrypi dhcpcd[402]: usb0: delaying IPv4 for 1.0 seconds
Oct 20 12:21:49 raspberrypi dhcpcd[402]: usb0: soliciting an IPv6 router
Oct 20 12:21:49 raspberrypi dhcpcd[402]: usb0: delaying Router Solicitation for LL address Oct 20 12:21:49 raspberrypi dhcpcd[402]: usb0: using ClientID 01:fa:00:60:99:b3:1e 
Oct 20 12:21:49 raspberrypi dhcpcd[402]: usb0: soliciting a DHCP lease
Oct 20 12:21:49 raspberrypi dhcpcd[402]: usb0: sending DISCOVER (xid 0x9c16f256), next in 4.6 seconds 
Oct 20 12:21:49 raspberrypi dhcpcd[402]: usb0: sending Router Solicitation
Oct 20 12:21:51 raspberrypi dhcpcd[402]: usb0: carrier lost
Oct 20 12:21:51 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' NOCARRIER Oct 20 12:21:51 raspberrypi dhcpcd[402]: usb0: deleting address fe80::62c8:16be:6909:4f84 Oct 20 12:21:51 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' EXPIRE 
Oct 20 12:21:51 raspberrypi dhcpcd[402]: usb0: carrier acquired
Oct 20 12:21:51 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' CARRIER 
Oct 20 12:21:51 raspberrypi dhcpcd[402]: usb0: IAID 60:99:b3:1e
Oct 20 12:21:51 raspberrypi dhcpcd[402]: usb0: adding address fe80::62c8:16be:6909:4f84 Oct 20 12:21:51 raspberrypi dhcpcd[402]: usb0: pltime infinity, vltime infinity Oct 20 12:21:51 raspberrypi dhcpcd[402]: usb0: delaying IPv6 router solicitation for 0.6 seconds 
Oct 20 12:21:51 raspberrypi dhcpcd[402]: usb0: delaying IPv4 for 0.3 seconds
Oct 20 12:21:51 raspberrypi dhcpcd[402]: usb0: using ClientID 01:fa:00:60:99:b3:1e 
Oct 20 12:21:51 raspberrypi dhcpcd[402]: usb0: soliciting a DHCP lease
Oct 20 12:21:51 raspberrypi dhcpcd[402]: usb0: sending DISCOVER (xid 0xccaf60d6), next in 3.4 seconds 
Oct 20 12:21:52 raspberrypi dhcpcd[402]: usb0: soliciting an IPv6 router
Oct 20 12:21:52 raspberrypi dhcpcd[402]: usb0: delaying Router Solicitation for LL address 
Oct 20 12:21:53 raspberrypi dhcpcd[402]: usb0: sending Router Solicitation
Oct 20 12:21:54 raspberrypi dhcpcd[402]: usb0: carrier lost
Oct 20 12:21:54 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' NOCARRIER Oct 20 12:21:54 raspberrypi dhcpcd[402]: usb0: deleting address fe80::62c8:16be:6909:4f84 Oct 20 12:21:54 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' EXPIRE 
Oct 20 12:21:54 raspberrypi dhcpcd[402]: usb0: carrier acquired
Oct 20 12:21:54 raspberrypi dhcpcd[402]: usb0: executing `/libexec/dhcpcd-run-hooks' CARRIER 
Oct 20 12:21:54 raspberrypi dhcpcd[402]: usb0: IAID 60:99:b3:1e
Oct 20 12:21:54 raspberrypi dhcpcd[402]: usb0: adding address fe80::62c8:16be:6909:4f84 Oct 20 12:21:54 raspberrypi dhcpcd[402]: usb0: pltime infinity, vltime infinity Oct 20 12:21:54 raspberrypi dhcpcd[402]: usb0: delaying IPv6 router solicitation for 0.4 seconds 
Oct 20 12:21:54 raspberrypi dhcpcd[402]: usb0: delaying IPv4 for 0.7 seconds
Oct 20 12:21:54 raspberrypi dhcpcd[402]: usb0: soliciting an IPv6 router
Oct 20 12:21:54 raspberrypi dhcpcd[402]: usb0: delaying Router Solicitation for LL address Oct 20 12:21:55 raspberrypi dhcpcd[402]: usb0: using ClientID 01:fa:00:60:99:b3:1e 
Oct 20 12:21:55 raspberrypi dhcpcd[402]: usb0: soliciting a DHCP lease
Oct 20 12:21:55 raspberrypi dhcpcd[402]: usb0: sending DISCOVER (xid 0xa58fc939), next in 3.8 seconds 
Oct 20 12:21:56 raspberrypi dhcpcd[402]: usb0: sending Router Solicitation
==


Yours sincerely,

Floris Bos
Follow-Ups:
Re: Not getting IPv6 link local address when link carrier goes up -> down -> upRoy Marples
References:
Not getting IPv6 link local address when link carrier goes up -> down -> upFloris Bos
Re: Not getting IPv6 link local address when link carrier goes up -> down -> upRoy Marples
Re: Not getting IPv6 link local address when link carrier goes up -> down -> upFloris Bos
Re: Not getting IPv6 link local address when link carrier goes up -> down -> upRoy Marples
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