Comment # 1 on bug 916377 from andreas bittner

I issued a reboot and still all the same. Additionally maybe the network cable
got removed or something so I checked:
Link is there as well:

dmesg | grep -i enp | more
[   20.360927] r8169 0000:04:00.0 enp4s0: link down
[   20.360996] r8169 0000:04:00.0 enp4s0: link down
[   20.361004] IPv6: ADDRCONF(NETDEV_UP): enp4s0: link is not ready
[   20.547544] r8169 0000:0a:00.0 enp10s0: link down
[   20.547608] r8169 0000:0a:00.0 enp10s0: link down
[   20.547615] IPv6: ADDRCONF(NETDEV_UP): enp10s0: link is not ready
[   22.633726] r8169 0000:04:00.0 enp4s0: link up
[   22.633752] IPv6: ADDRCONF(NETDEV_CHANGE): enp4s0: link becomes ready
[   22.860035] r8169 0000:0a:00.0 enp10s0: link up
[   22.860051] IPv6: ADDRCONF(NETDEV_CHANGE): enp10s0: link becomes ready



 ethtool enp10s0
Settings for enp10s0:
        Supported ports: [ TP MII ]
        Supported link modes:   10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Half 1000baseT/Full
        Supported pause frame use: No
        Supports auto-negotiation: Yes
        Advertised link modes:  10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Half 1000baseT/Full
        Advertised pause frame use: Symmetric Receive-only
        Advertised auto-negotiation: Yes
        Link partner advertised link modes:  10baseT/Half 10baseT/Full
                                             100baseT/Half 100baseT/Full
                                             1000baseT/Half 1000baseT/Full
        Link partner advertised pause frame use: Symmetric Receive-only
        Link partner advertised auto-negotiation: Yes
        Speed: 1000Mb/s
        Duplex: Full
        Port: MII
        PHYAD: 0
        Transceiver: internal
        Auto-negotiation: on
        Supports Wake-on: pumbg
        Wake-on: g
        Current message level: 0x00000033 (51)
                               drv probe ifdown ifup
        Link detected: yes


ethtool enp4s0
Settings for enp4s0:
        Supported ports: [ TP MII ]
        Supported link modes:   10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Half 1000baseT/Full
        Supported pause frame use: No
        Supports auto-negotiation: Yes
        Advertised link modes:  10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Half 1000baseT/Full
        Advertised pause frame use: Symmetric Receive-only
        Advertised auto-negotiation: Yes
        Link partner advertised link modes:  10baseT/Half 10baseT/Full
                                             100baseT/Half 100baseT/Full
                                             1000baseT/Half 1000baseT/Full
        Link partner advertised pause frame use: Symmetric Receive-only
        Link partner advertised auto-negotiation: Yes
        Speed: 1000Mb/s
        Duplex: Full
        Port: MII
        PHYAD: 0
        Transceiver: internal
        Auto-negotiation: on
        Supports Wake-on: pumbg
        Wake-on: g
        Current message level: 0x00000033 (51)
                               drv probe ifdown ifup
        Link detected: yes