[  778.241086][T14570] netdevsim netdevsim278 eni278np1: renamed from eth0
[  778.255981][T14572] netdevsim netdevsim564 eni564np1: renamed from eth1
[  778.806227][T14558] Could not find device with ifindex 2000 in netnsfd 11
[  778.806812][T14558] Could not find netns with fd: 2000
[  778.807731][T14558] Cannot link a netdevsim to itself
[  778.808682][T14558] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).