[ 1244.732252][T12785] netdevsim netdevsim579 eni579np1: renamed from eth1
[ 1244.865333][T12789] netdevsim netdevsim400 eni400np1: renamed from eth0
[ 1247.675746][T12777] Could not find device with ifindex 2000 in netnsfd 11
[ 1247.677057][T12777] Could not find netns with fd: 2000
[ 1247.678197][T12777] Cannot link a netdevsim to itself
[ 1247.680436][T12777] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).