[ 1252.511439][T12743] netdevsim netdevsim696 eni696np1: renamed from eth1
[ 1252.515701][T12745] netdevsim netdevsim286 eni286np1: renamed from eth0
[ 1255.270285][T12732] Could not find device with ifindex 2000 in netnsfd 11
[ 1255.272020][T12732] Could not find netns with fd: 2000
[ 1255.272923][T12732] Cannot link a netdevsim to itself
[ 1255.274103][T12732] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).