[  819.767316][T14593] netdevsim netdevsim441 eni441np1: renamed from eth0
[  819.793250][T14596] netdevsim netdevsim704 eni704np1: renamed from eth1
[  820.541916][T14581] Could not find device with ifindex 2000 in netnsfd 11
[  820.542752][T14581] Could not find netns with fd: 2000
[  820.543149][T14581] Cannot link a netdevsim to itself
[  820.543640][T14581] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).