[  748.581160][T14442] netdevsim netdevsim278 eni278np1: renamed from eth0
[  748.592133][T14444] netdevsim netdevsim727 eni727np1: renamed from eth1
[  749.133382][T14430] Could not find device with ifindex 2000 in netnsfd 11
[  749.133899][T14430] Could not find netns with fd: 2000
[  749.134241][T14430] Cannot link a netdevsim to itself
[  749.135016][T14430] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).