[ 1001.952483][T12129] netdevsim netdevsim656 eni656np1: renamed from eth1
[ 1002.046865][T12127] netdevsim netdevsim483 eni483np1: renamed from eth0
[ 1003.748042][T12451] Could not find device with ifindex 2000 in netnsfd 11
[ 1003.748989][T12451] Could not find netns with fd: 2000
[ 1003.749683][T12451] Cannot link a netdevsim to itself
[ 1003.750455][T12451] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).