[ 1234.844977][T11126] netdevsim netdevsim631 eni631np1: renamed from eth1
[ 1234.856171][T11128] netdevsim netdevsim293 eni293np1: renamed from eth0
[ 1238.045086][T11120] Could not find device with ifindex 2000 in netnsfd 11
[ 1238.053516][T11120] Could not find netns with fd: 2000
[ 1238.054490][T11120] Cannot link a netdevsim to itself
[ 1238.055601][T11120] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).