[ 1219.268429][T12782] netdevsim netdevsim716 eni716np1: renamed from eth1
[ 1219.385956][T12784] netdevsim netdevsim501 eni501np1: renamed from eth0
[ 1221.938167][T12776] Could not find device with ifindex 2000 in netnsfd 11
[ 1221.939296][T12776] Could not find netns with fd: 2000
[ 1221.940205][T12776] Cannot link a netdevsim to itself
[ 1221.941270][T12776] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).