[  741.306746][T14444] netdevsim netdevsim409 eni409np1: renamed from eth0
[  741.319812][T14446] netdevsim netdevsim727 eni727np1: renamed from eth1
[  741.861204][T14432] Could not find device with ifindex 2000 in netnsfd 11
[  741.861676][T14432] Could not find netns with fd: 2000
[  741.862021][T14432] Cannot link a netdevsim to itself
[  741.862623][T14432] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).