Hi,
I've just noticed that my NAS does not have IPv6 address.
$this->bbcode_second_pass_code('', '#ip -6 address
#')
return nothing.
When I tried to ping with IPv6 address, the error 'Address family for hostname not supported' shows.
$this->bbcode_second_pass_code('', '# ping ff02::1%eth0
ping: ff02::1%eth0: Address family for hostname not supported')
I've digged through dmesg and found nothing. However when I look at the journal on the last few boots before, I found that there are assertion on the last boot I can open the journal (boot #-5). Older boot is not available.
$this->bbcode_second_pass_code('', 'journalctl -b -5 | grep v6
Sep 15 03:21:56 alarm kernel: mv643xx_eth: MV-643xx 10/100/1000 ethernet driver version 1.4
Sep 15 03:21:56 alarm kernel: mv643xx_eth_port mv643xx_eth_port.0 eth0: port 0 with MAC address 5c:f4:ab:e7:c9:cb
Sep 15 03:22:01 alarm kernel: mv643xx_eth_port mv643xx_eth_port.0 eth0: link down
Nov 15 02:30:50 alarm kernel: mv643xx_eth_port mv643xx_eth_port.0 eth0: link up, 1000 Mb/s, full duplex, flow control disabled
Nov 15 02:49:04 alarm systemd-networkd[212]: eth0: Gained IPv6LL
Nov 15 02:49:04 alarm systemd-networkd[212]: Assertion 'link->dhcp6_client' failed at ../systemd-stable/src/network/networkd-link.c:1632, function link_acquire_ipv6_conf(). Aborting.
Nov 15 02:49:05 alarm systemd-networkd[1820]: eth0: Gained IPv6LL')
In the next boot, this assertion failed has gone entirely. There is on Gained IPv6LL in the journal at all too.
$this->bbcode_second_pass_code('', '# journalctl -b -4 | grep v6
Sep 15 03:21:56 alarm kernel: mv643xx_eth: MV-643xx 10/100/1000 ethernet driver version 1.4
Sep 15 03:21:56 alarm kernel: mv643xx_eth_port mv643xx_eth_port.0 eth0: port 0 with MAC address 5c:f4:ab:e7:c9:cb
Sep 15 03:22:02 alarm kernel: mv643xx_eth_port mv643xx_eth_port.0 eth0: link down
Sep 15 03:22:06 alarm kernel: mv643xx_eth_port mv643xx_eth_port.0 eth0: link up, 1000 Mb/s, full duplex, flow control disabled
')
I don't think there's configuration change on this machine. However the software/kernal was updated a few times along the way. Is there any changes on the kernel/kernel module that might course this ?