[ 1025.284129][T12730] netdevsim netdevsim524 eni524np1: renamed from eth1
[ 1025.373421][T12680] netdevsim netdevsim438 eni438np1: renamed from eth0
[ 1027.118000][T12725] Could not find device with ifindex 2000 in netnsfd 11
[ 1027.119024][T12725] Could not find netns with fd: 2000
[ 1027.119687][T12725] Cannot link a netdevsim to itself
[ 1027.120481][T12725] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).