[ 1042.478289][T12751] netdevsim netdevsim512 eni512np1: renamed from eth1
[ 1042.592814][T12753] netdevsim netdevsim343 eni343np1: renamed from eth0
[ 1044.635863][T12745] Could not find device with ifindex 2000 in netnsfd 11
[ 1044.636865][T12745] Could not find netns with fd: 2000
[ 1044.637604][T12745] Cannot link a netdevsim to itself
[ 1044.638476][T12745] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).