[ 1229.882899][T11129] netdevsim netdevsim743 eni743np1: renamed from eth1
[ 1229.909887][T11131] netdevsim netdevsim399 eni399np1: renamed from eth0
[ 1233.158820][T11123] Could not find device with ifindex 2000 in netnsfd 11
[ 1233.159537][T11123] Could not find netns with fd: 2000
[ 1233.160086][T11123] Cannot link a netdevsim to itself
[ 1233.160756][T11123] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).