[  818.862714][T15850] netdevsim netdevsim673 eni673np1: renamed from eth1
[  818.885150][T15851] netdevsim netdevsim274 eni274np1: renamed from eth0
[  819.592965][T15838] Could not find device with ifindex 2000 in netnsfd 11
[  819.593653][T15838] Could not find netns with fd: 2000
[  819.594127][T15838] Cannot link a netdevsim to itself
[  819.594624][T15838] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).