[  854.487409][T15759] netdevsim netdevsim357 eni357np1: renamed from eth0
[  854.496446][T15762] netdevsim netdevsim656 eni656np1: renamed from eth1
[  855.112423][T15747] Could not find device with ifindex 2000 in netnsfd 11
[  855.113114][T15747] Could not find netns with fd: 2000
[  855.113644][T15747] Cannot link a netdevsim to itself
[  855.114655][T15747] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).