[ 1237.996405][T11145] netdevsim netdevsim652 eni652np1: renamed from eth1
[ 1238.002512][T11146] netdevsim netdevsim297 eni297np1: renamed from eth0
[ 1241.248310][T11138] Could not find device with ifindex 2000 in netnsfd 11
[ 1241.249139][T11138] Could not find netns with fd: 2000
[ 1241.249833][T11138] Cannot link a netdevsim to itself
[ 1241.250893][T11138] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).