[  811.838330][T15827] netdevsim netdevsim401 eni401np1: renamed from eth0
[  811.862044][T15825] netdevsim netdevsim545 eni545np1: renamed from eth1
[  812.482804][T15813] Could not find device with ifindex 2000 in netnsfd 11
[  812.483484][T15813] Could not find netns with fd: 2000
[  812.483948][T15813] Cannot link a netdevsim to itself
[  812.484467][T15813] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).