[  755.094482][T14579] netdevsim netdevsim491 eni491np1: renamed from eth0
[  755.116318][T14582] netdevsim netdevsim595 eni595np1: renamed from eth1
[  755.695723][T14567] Could not find device with ifindex 2000 in netnsfd 11
[  755.696221][T14567] Could not find netns with fd: 2000
[  755.696569][T14567] Cannot link a netdevsim to itself
[  755.696987][T14567] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).