[ 1213.127291][T11129] netdevsim netdevsim297 eni297np1: renamed from eth0
[ 1213.149937][T11128] netdevsim netdevsim723 eni723np1: renamed from eth1
[ 1216.327246][T11121] Could not find device with ifindex 2000 in netnsfd 11
[ 1216.328165][T11121] Could not find netns with fd: 2000
[ 1216.328748][T11121] Cannot link a netdevsim to itself
[ 1216.329415][T11121] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).