No internet connection after boot

Hello,

I'm having an issue with internet connection after boot with on OpenWRT 21.02.3 recently installed on my Netgear R7800. Before the upgrade to the recent 21 version I never had the same problem on my 19.07 installation.
So my problem is that basically after almost every boot I have no internet connection - PPPoE connection is initiated and the interface does get an IP address, but I suspect that for some reason it is not able to receive any data. The router is connected to a bridged modem.

Network config:

root@OpenWrt:~# cat /etc/config/network 

config interface 'loopback'
	option device 'lo'
	option proto 'static'
	option ipaddr '127.0.0.1'
	option netmask '255.0.0.0'

config globals 'globals'
	option ula_prefix 'fd5e:d527:7331::/48'

config device
	option name 'br-lan'
	option type 'bridge'
	list ports 'eth1.1'

config interface 'lan'
	option device 'br-lan'
	option proto 'static'
	option netmask '255.255.255.0'
	option ip6assign '60'
	option ipaddr '192.168.5.1'

config interface 'wan'
	option device 'eth0.2'
	option proto 'pppoe'
	option username 'user
	option password 'pass'
	option ipv6 '0'
	option force_link '1'
	option pppd_options noipv6
	
config switch
	option name 'switch0'
	option reset '1'
	option enable_vlan '1'

config switch_vlan
	option device 'switch0'
	option vlan '1'
	option ports '1 2 3 4 6t'

config switch_vlan
	option device 'switch0'
	option vlan '2'
	option ports '5 0t'

pppd logs - first connection didn't work and then manually rebooted interface to get a working connection:

root@OpenWrt:~# logread | grep pppd
Fri Jun  3 13:28:13 2022 daemon.info pppd[1501]: Plugin rp-pppoe.so loaded.
Fri Jun  3 13:28:13 2022 daemon.info pppd[1501]: RP-PPPoE plugin version 3.8p compiled against pppd 2.4.8
Fri Jun  3 13:28:13 2022 daemon.notice pppd[1501]: pppd 2.4.8 started by root, uid 0
Fri Jun  3 13:28:13 2022 daemon.info pppd[1501]: PPP session is 1542
Fri Jun  3 13:28:13 2022 daemon.warn pppd[1501]: Connected to 0c:a4:02:02:e5:a9 via interface eth0.2
Fri Jun  3 13:28:13 2022 daemon.info pppd[1501]: Renamed interface ppp0 to pppoe-wan
Fri Jun  3 13:28:13 2022 daemon.info pppd[1501]: Using interface pppoe-wan
Fri Jun  3 13:28:13 2022 daemon.notice pppd[1501]: Connect: pppoe-wan <--> eth0.2
Fri Jun  3 13:28:28 2022 daemon.notice pppd[1501]: PAP authentication succeeded
Fri Jun  3 13:28:28 2022 daemon.notice pppd[1501]: peer from calling number 0C:A4:02:02:E5:A9 authorized
Fri Jun  3 13:28:28 2022 daemon.notice pppd[1501]: local  IP address 87.70.162.112
Fri Jun  3 13:28:28 2022 daemon.notice pppd[1501]: remote IP address 82.102.129.119
Fri Jun  3 13:28:28 2022 daemon.notice pppd[1501]: primary   DNS address 80.179.52.100
Fri Jun  3 13:28:28 2022 daemon.notice pppd[1501]: secondary DNS address 80.179.55.100
Fri Jun  3 13:33:46 2022 daemon.info pppd[1501]: Terminating on signal 15
Fri Jun  3 13:33:46 2022 daemon.info pppd[1501]: Connect time 5.3 minutes.
Fri Jun  3 13:33:46 2022 daemon.info pppd[1501]: Sent 264319 bytes, received 0 bytes.
Fri Jun  3 13:33:46 2022 daemon.notice pppd[1501]: Connection terminated.
Fri Jun  3 13:33:46 2022 daemon.info pppd[1501]: Sent PADT
Fri Jun  3 13:33:46 2022 daemon.info pppd[1501]: Exit.
Fri Jun  3 13:33:47 2022 daemon.info pppd[2886]: Plugin rp-pppoe.so loaded.
Fri Jun  3 13:33:47 2022 daemon.info pppd[2886]: RP-PPPoE plugin version 3.8p compiled against pppd 2.4.8
Fri Jun  3 13:33:47 2022 daemon.notice pppd[2886]: pppd 2.4.8 started by root, uid 0
Fri Jun  3 13:33:47 2022 daemon.info pppd[2886]: PPP session is 1556
Fri Jun  3 13:33:47 2022 daemon.warn pppd[2886]: Connected to 0c:a4:02:02:e5:a9 via interface eth0.2
Fri Jun  3 13:33:47 2022 daemon.info pppd[2886]: Renamed interface ppp0 to pppoe-wan
Fri Jun  3 13:33:47 2022 daemon.info pppd[2886]: Using interface pppoe-wan
Fri Jun  3 13:33:47 2022 daemon.notice pppd[2886]: Connect: pppoe-wan <--> eth0.2
Fri Jun  3 13:33:54 2022 daemon.notice pppd[2886]: PAP authentication succeeded
Fri Jun  3 13:33:54 2022 daemon.notice pppd[2886]: peer from calling number 0C:A4:02:02:E5:A9 authorized
Fri Jun  3 13:33:54 2022 daemon.notice pppd[2886]: local  IP address 87.70.5.195
Fri Jun  3 13:33:54 2022 daemon.notice pppd[2886]: remote IP address 82.102.129.99
Fri Jun  3 13:33:54 2022 daemon.notice pppd[2886]: primary   DNS address 80.179.52.100
Fri Jun  3 13:33:54 2022 daemon.notice pppd[2886]: secondary DNS address 80.179.55.100

Any help would be greatly appreciated!

does it work from the router ?

No, can't ping from the router.

and if you do a network restart after the reboot ?

yes - it solves the problem since it restart wan interface.

then put a restart of it, in your local startup script, it might be a race condition causing the issue.

First of all thank a lot for your help.
Now I am noticing that this problem is not exclusive to boot time, it happens every few restarts of the wan interface.
I guess I could make a cron script to check network connectivity and restart wan if there is none but that seems a bit crooked.

if there anything in the dmesg / logread -f when it happens, after a completed (re)boot ?

For a successful connection:

root@OpenWrt:~# logread -f
Fri Jun  3 16:59:23 2022 daemon.info pppd[4677]: Terminating on signal 15
Fri Jun  3 16:59:23 2022 daemon.info pppd[4677]: Connect time 10.7 minutes.
Fri Jun  3 16:59:23 2022 daemon.info pppd[4677]: Sent 3483758 bytes, received 32837679 bytes.
Fri Jun  3 16:59:23 2022 daemon.info avahi-daemon[1629]: Interface pppoe-wan.IPv4 no longer relevant for mDNS.
Fri Jun  3 16:59:23 2022 daemon.info avahi-daemon[1629]: Leaving mDNS multicast group on interface pppoe-wan.IPv4 with address 87.71.37.253.
Fri Jun  3 16:59:23 2022 daemon.notice netifd: Network device 'pppoe-wan' link is down
Fri Jun  3 16:59:23 2022 daemon.info avahi-daemon[1629]: Withdrawing address record for 87.71.37.253 on pppoe-wan.
Fri Jun  3 16:59:23 2022 daemon.notice pppd[4677]: Connection terminated.
Fri Jun  3 16:59:23 2022 daemon.info pppd[4677]: Sent PADT
Fri Jun  3 16:59:23 2022 daemon.info pppd[4677]: Exit.
Fri Jun  3 16:59:23 2022 daemon.notice netifd: Interface 'wan' is now down
Fri Jun  3 16:59:23 2022 daemon.info avahi-daemon[1629]: Interface eth0.IPv6 no longer relevant for mDNS.
Fri Jun  3 16:59:23 2022 daemon.info avahi-daemon[1629]: Leaving mDNS multicast group on interface eth0.IPv6 with address fe80::8e3b:adff:fea5:4e8f.
Fri Jun  3 16:59:23 2022 daemon.notice netifd: Interface 'wan' is disabled
Fri Jun  3 16:59:23 2022 daemon.info avahi-daemon[1629]: Withdrawing address record for fe80::8e3b:adff:fea5:4e8f on eth0.
Fri Jun  3 16:59:23 2022 kern.info kernel: [ 1469.526768] ipq806x-gmac-dwmac 37200000.ethernet eth0: Link is Down
Fri Jun  3 16:59:23 2022 kern.info kernel: [ 1469.531102] dwmac1000: Master AXI performs any burst length
Fri Jun  3 16:59:23 2022 kern.info kernel: [ 1469.531840] ipq806x-gmac-dwmac 37200000.ethernet eth0: No Safety Features support found
Fri Jun  3 16:59:23 2022 kern.info kernel: [ 1469.537478] ipq806x-gmac-dwmac 37200000.ethernet eth0: IEEE 1588-2008 Advanced Timestamp supported
Fri Jun  3 16:59:23 2022 kern.info kernel: [ 1469.545476] ipq806x-gmac-dwmac 37200000.ethernet eth0: registered PTP clock
Fri Jun  3 16:59:23 2022 kern.info kernel: [ 1469.554495] ipq806x-gmac-dwmac 37200000.ethernet eth0: configuring for fixed/rgmii link mode
Fri Jun  3 16:59:23 2022 kern.info kernel: [ 1469.563526] ipq806x-gmac-dwmac 37200000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
Fri Jun  3 16:59:23 2022 kern.info kernel: [ 1469.570099] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
Fri Jun  3 16:59:23 2022 daemon.notice netifd: Interface 'wan' is enabled
Fri Jun  3 16:59:23 2022 daemon.notice netifd: Interface 'wan' is setting up now
Fri Jun  3 16:59:23 2022 daemon.warn dnsmasq[3936]: no servers found in /tmp/resolv.conf.d/resolv.conf.auto, will retry
Fri Jun  3 16:59:23 2022 daemon.err insmod: module is already loaded - slhc
Fri Jun  3 16:59:23 2022 daemon.err insmod: module is already loaded - ppp_generic
Fri Jun  3 16:59:23 2022 daemon.err insmod: module is already loaded - pppox
Fri Jun  3 16:59:23 2022 daemon.err insmod: module is already loaded - pppoe
Fri Jun  3 16:59:23 2022 daemon.info pppd[4891]: Plugin rp-pppoe.so loaded.
Fri Jun  3 16:59:23 2022 daemon.info pppd[4891]: RP-PPPoE plugin version 3.8p compiled against pppd 2.4.8
Fri Jun  3 16:59:23 2022 daemon.notice pppd[4891]: pppd 2.4.8 started by root, uid 0
Fri Jun  3 16:59:23 2022 daemon.info pppd[4891]: PPP session is 7424
Fri Jun  3 16:59:23 2022 daemon.warn pppd[4891]: Connected to 0c:a4:02:07:c9:a9 via interface eth0.2
Fri Jun  3 16:59:23 2022 kern.info kernel: [ 1469.764275] pppoe-wan: renamed from ppp0
Fri Jun  3 16:59:23 2022 daemon.info pppd[4891]: Renamed interface ppp0 to pppoe-wan
Fri Jun  3 16:59:23 2022 daemon.info pppd[4891]: Using interface pppoe-wan
Fri Jun  3 16:59:23 2022 daemon.notice pppd[4891]: Connect: pppoe-wan <--> eth0.2
Fri Jun  3 16:59:23 2022 daemon.notice pppd[4891]: PAP authentication succeeded
Fri Jun  3 16:59:23 2022 daemon.notice pppd[4891]: peer from calling number 0C:A4:02:07:C9:A9 authorized
Fri Jun  3 16:59:23 2022 daemon.notice pppd[4891]: local  IP address 77.127.188.242
Fri Jun  3 16:59:23 2022 daemon.notice pppd[4891]: remote IP address 82.102.129.102
Fri Jun  3 16:59:23 2022 daemon.notice pppd[4891]: primary   DNS address 80.179.55.100
Fri Jun  3 16:59:23 2022 daemon.notice pppd[4891]: secondary DNS address 80.179.52.100
Fri Jun  3 16:59:23 2022 daemon.info avahi-daemon[1629]: Joining mDNS multicast group on interface pppoe-wan.IPv4 with address 77.127.188.242.
Fri Jun  3 16:59:23 2022 daemon.info avahi-daemon[1629]: New relevant interface pppoe-wan.IPv4 for mDNS.
Fri Jun  3 16:59:23 2022 daemon.info avahi-daemon[1629]: Registering new address record for 77.127.188.242 on pppoe-wan.IPv4.
Fri Jun  3 16:59:23 2022 daemon.notice netifd: Network device 'pppoe-wan' link is up
Fri Jun  3 16:59:23 2022 daemon.notice netifd: Interface 'wan' is now up
Fri Jun  3 16:59:23 2022 daemon.info dnsmasq[3936]: reading /tmp/resolv.conf.d/resolv.conf.auto
Fri Jun  3 16:59:23 2022 daemon.info dnsmasq[3936]: using only locally-known addresses for domain test
Fri Jun  3 16:59:23 2022 daemon.info dnsmasq[3936]: using only locally-known addresses for domain onion
Fri Jun  3 16:59:23 2022 daemon.info dnsmasq[3936]: using only locally-known addresses for domain localhost
Fri Jun  3 16:59:23 2022 daemon.info dnsmasq[3936]: using only locally-known addresses for domain local
Fri Jun  3 16:59:23 2022 daemon.info dnsmasq[3936]: using only locally-known addresses for domain invalid
Fri Jun  3 16:59:23 2022 daemon.info dnsmasq[3936]: using only locally-known addresses for domain bind
Fri Jun  3 16:59:23 2022 daemon.info dnsmasq[3936]: using only locally-known addresses for domain lan
Fri Jun  3 16:59:23 2022 daemon.info dnsmasq[3936]: using nameserver 80.179.55.100#53
Fri Jun  3 16:59:23 2022 daemon.info dnsmasq[3936]: using nameserver 80.179.52.100#53
Fri Jun  3 16:59:23 2022 user.notice firewall: Reloading firewall due to ifup of wan (pppoe-wan)
Fri Jun  3 16:59:24 2022 daemon.info avahi-daemon[1629]: Joining mDNS multicast group on interface eth0.IPv6 with address fe80::8e3b:adff:fea5:4e8f.
Fri Jun  3 16:59:24 2022 daemon.info avahi-daemon[1629]: New relevant interface eth0.IPv6 for mDNS.
Fri Jun  3 16:59:24 2022 daemon.info avahi-daemon[1629]: Registering new address record for fe80::8e3b:adff:fea5:4e8f on eth0.*.
root@OpenWrt:~# dmesg
[ 1469.526768] ipq806x-gmac-dwmac 37200000.ethernet eth0: Link is Down
[ 1469.531102] dwmac1000: Master AXI performs any burst length
[ 1469.531840] ipq806x-gmac-dwmac 37200000.ethernet eth0: No Safety Features support found
[ 1469.537478] ipq806x-gmac-dwmac 37200000.ethernet eth0: IEEE 1588-2008 Advanced Timestamp supported
[ 1469.545476] ipq806x-gmac-dwmac 37200000.ethernet eth0: registered PTP clock
[ 1469.554495] ipq806x-gmac-dwmac 37200000.ethernet eth0: configuring for fixed/rgmii link mode
[ 1469.563526] ipq806x-gmac-dwmac 37200000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
[ 1469.570099] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 1469.764275] pppoe-wan: renamed from ppp0

No internet connection:

root@OpenWrt:~# logread -f
Fri Jun  3 17:10:46 2022 daemon.info pppd[8071]: Terminating on signal 15
Fri Jun  3 17:10:46 2022 daemon.info pppd[8071]: Connect time 0.6 minutes.
Fri Jun  3 17:10:46 2022 daemon.info pppd[8071]: Sent 94451 bytes, received 361328 bytes.
Fri Jun  3 17:10:46 2022 daemon.info avahi-daemon[1629]: Interface pppoe-wan.IPv4 no longer relevant for mDNS.
Fri Jun  3 17:10:46 2022 daemon.info avahi-daemon[1629]: Leaving mDNS multicast group on interface pppoe-wan.IPv4 with address 213.8.187.102.
Fri Jun  3 17:10:46 2022 daemon.notice netifd: Network device 'pppoe-wan' link is down
Fri Jun  3 17:10:46 2022 daemon.info avahi-daemon[1629]: Withdrawing address record for 213.8.187.102 on pppoe-wan.
Fri Jun  3 17:10:46 2022 daemon.notice pppd[8071]: Connection terminated.
Fri Jun  3 17:10:46 2022 daemon.info pppd[8071]: Sent PADT
Fri Jun  3 17:10:46 2022 daemon.info pppd[8071]: Exit.
Fri Jun  3 17:10:46 2022 daemon.notice netifd: Interface 'wan' is now down
Fri Jun  3 17:10:46 2022 daemon.info avahi-daemon[1629]: Interface eth0.IPv6 no longer relevant for mDNS.
Fri Jun  3 17:10:46 2022 daemon.info avahi-daemon[1629]: Leaving mDNS multicast group on interface eth0.IPv6 with address fe80::8e3b:adff:fea5:4e8f.
Fri Jun  3 17:10:46 2022 daemon.info avahi-daemon[1629]: Withdrawing address record for fe80::8e3b:adff:fea5:4e8f on eth0.
Fri Jun  3 17:10:46 2022 daemon.notice netifd: Interface 'wan' is disabled
Fri Jun  3 17:10:46 2022 kern.info kernel: [ 2152.422579] ipq806x-gmac-dwmac 37200000.ethernet eth0: Link is Down
Fri Jun  3 17:10:46 2022 kern.info kernel: [ 2152.434517] dwmac1000: Master AXI performs any burst length
Fri Jun  3 17:10:46 2022 kern.info kernel: [ 2152.434552] ipq806x-gmac-dwmac 37200000.ethernet eth0: No Safety Features support found
Fri Jun  3 17:10:46 2022 kern.info kernel: [ 2152.438900] ipq806x-gmac-dwmac 37200000.ethernet eth0: IEEE 1588-2008 Advanced Timestamp supported
Fri Jun  3 17:10:46 2022 kern.info kernel: [ 2152.447112] ipq806x-gmac-dwmac 37200000.ethernet eth0: registered PTP clock
Fri Jun  3 17:10:46 2022 kern.info kernel: [ 2152.456010] ipq806x-gmac-dwmac 37200000.ethernet eth0: configuring for fixed/rgmii link mode
Fri Jun  3 17:10:46 2022 daemon.notice netifd: Interface 'wan' is enabled
Fri Jun  3 17:10:46 2022 daemon.notice netifd: Interface 'wan' is setting up now
Fri Jun  3 17:10:46 2022 kern.info kernel: [ 2152.464288] ipq806x-gmac-dwmac 37200000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
Fri Jun  3 17:10:46 2022 daemon.warn dnsmasq[3936]: no servers found in /tmp/resolv.conf.d/resolv.conf.auto, will retry
Fri Jun  3 17:10:46 2022 kern.info kernel: [ 2152.481198] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
Fri Jun  3 17:10:46 2022 daemon.err insmod: module is already loaded - slhc
Fri Jun  3 17:10:46 2022 daemon.err insmod: module is already loaded - ppp_generic
Fri Jun  3 17:10:46 2022 daemon.err insmod: module is already loaded - pppox
Fri Jun  3 17:10:46 2022 daemon.err insmod: module is already loaded - pppoe
Fri Jun  3 17:10:46 2022 daemon.info pppd[8250]: Plugin rp-pppoe.so loaded.
Fri Jun  3 17:10:46 2022 daemon.info pppd[8250]: RP-PPPoE plugin version 3.8p compiled against pppd 2.4.8
Fri Jun  3 17:10:46 2022 daemon.notice pppd[8250]: pppd 2.4.8 started by root, uid 0
Fri Jun  3 17:10:46 2022 daemon.info pppd[8250]: PPP session is 1722
Fri Jun  3 17:10:46 2022 daemon.warn pppd[8250]: Connected to 0c:a4:02:02:e5:a9 via interface eth0.2
Fri Jun  3 17:10:46 2022 kern.info kernel: [ 2152.661851] pppoe-wan: renamed from ppp0
Fri Jun  3 17:10:46 2022 daemon.info pppd[8250]: Renamed interface ppp0 to pppoe-wan
Fri Jun  3 17:10:46 2022 daemon.info pppd[8250]: Using interface pppoe-wan
Fri Jun  3 17:10:46 2022 daemon.notice pppd[8250]: Connect: pppoe-wan <--> eth0.2
Fri Jun  3 17:10:46 2022 daemon.notice pppd[8250]: PAP authentication succeeded
Fri Jun  3 17:10:46 2022 daemon.notice pppd[8250]: peer from calling number 0C:A4:02:02:E5:A9 authorized
Fri Jun  3 17:10:46 2022 daemon.notice pppd[8250]: local  IP address 87.70.166.65
Fri Jun  3 17:10:46 2022 daemon.notice pppd[8250]: remote IP address 82.102.129.119
Fri Jun  3 17:10:46 2022 daemon.notice pppd[8250]: primary   DNS address 80.179.52.100
Fri Jun  3 17:10:46 2022 daemon.notice pppd[8250]: secondary DNS address 80.179.55.100
Fri Jun  3 17:10:46 2022 daemon.info avahi-daemon[1629]: Joining mDNS multicast group on interface pppoe-wan.IPv4 with address 87.70.166.65.
Fri Jun  3 17:10:46 2022 daemon.info avahi-daemon[1629]: New relevant interface pppoe-wan.IPv4 for mDNS.
Fri Jun  3 17:10:46 2022 daemon.info avahi-daemon[1629]: Registering new address record for 87.70.166.65 on pppoe-wan.IPv4.
Fri Jun  3 17:10:46 2022 daemon.notice netifd: Network device 'pppoe-wan' link is up
Fri Jun  3 17:10:46 2022 daemon.notice netifd: Interface 'wan' is now up
Fri Jun  3 17:10:46 2022 daemon.info dnsmasq[3936]: reading /tmp/resolv.conf.d/resolv.conf.auto
Fri Jun  3 17:10:46 2022 daemon.info dnsmasq[3936]: using only locally-known addresses for domain test
Fri Jun  3 17:10:46 2022 daemon.info dnsmasq[3936]: using only locally-known addresses for domain onion
Fri Jun  3 17:10:46 2022 daemon.info dnsmasq[3936]: using only locally-known addresses for domain localhost
Fri Jun  3 17:10:46 2022 daemon.info dnsmasq[3936]: using only locally-known addresses for domain local
Fri Jun  3 17:10:46 2022 daemon.info dnsmasq[3936]: using only locally-known addresses for domain invalid
Fri Jun  3 17:10:46 2022 daemon.info dnsmasq[3936]: using only locally-known addresses for domain bind
Fri Jun  3 17:10:46 2022 daemon.info dnsmasq[3936]: using only locally-known addresses for domain lan
Fri Jun  3 17:10:46 2022 daemon.info dnsmasq[3936]: using nameserver 80.179.52.100#53
Fri Jun  3 17:10:46 2022 daemon.info dnsmasq[3936]: using nameserver 80.179.55.100#53
Fri Jun  3 17:10:46 2022 user.notice firewall: Reloading firewall due to ifup of wan (pppoe-wan)
Fri Jun  3 17:10:47 2022 daemon.info avahi-daemon[1629]: Joining mDNS multicast group on interface eth0.IPv6 with address fe80::8e3b:adff:fea5:4e8f.
Fri Jun  3 17:10:47 2022 daemon.info avahi-daemon[1629]: New relevant interface eth0.IPv6 for mDNS.
Fri Jun  3 17:10:47 2022 daemon.info avahi-daemon[1629]: Registering new address record for fe80::8e3b:adff:fea5:4e8f on eth0.*.
root@OpenWrt:~# dmesg
[ 2152.422579] ipq806x-gmac-dwmac 37200000.ethernet eth0: Link is Down
[ 2152.434517] dwmac1000: Master AXI performs any burst length
[ 2152.434552] ipq806x-gmac-dwmac 37200000.ethernet eth0: No Safety Features support found
[ 2152.438900] ipq806x-gmac-dwmac 37200000.ethernet eth0: IEEE 1588-2008 Advanced Timestamp supported
[ 2152.447112] ipq806x-gmac-dwmac 37200000.ethernet eth0: registered PTP clock
[ 2152.456010] ipq806x-gmac-dwmac 37200000.ethernet eth0: configuring for fixed/rgmii link mode
[ 2152.464288] ipq806x-gmac-dwmac 37200000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
[ 2152.481198] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 2152.661851] pppoe-wan: renamed from ppp0