[ 1307.830249][T12852] netdevsim netdevsim647 eni647np1: renamed from eth1
[ 1307.836789][T12851] netdevsim netdevsim497 eni497np1: renamed from eth0
[ 1310.506805][T12838] Could not find device with ifindex 2000 in netnsfd 11
[ 1310.508956][T12838] Could not find netns with fd: 2000
[ 1310.509924][T12838] Cannot link a netdevsim to itself
[ 1310.511083][T12838] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).