[ 1222.995060][T11137] netdevsim netdevsim611 eni611np1: renamed from eth1
[ 1223.089817][T11139] netdevsim netdevsim406 eni406np1: renamed from eth0
[ 1226.413296][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1226.414085][T11131] Could not find netns with fd: 2000
[ 1226.414691][T11131] Cannot link a netdevsim to itself
[ 1226.415401][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).