[ 1024.120412][T12068] netdevsim netdevsim444 eni444np1: renamed from eth0
[ 1024.205538][T12130] netdevsim netdevsim531 eni531np1: renamed from eth1
[ 1026.007798][T12455] Could not find device with ifindex 2000 in netnsfd 11
[ 1026.008826][T12455] Could not find netns with fd: 2000
[ 1026.009756][T12455] Cannot link a netdevsim to itself
[ 1026.010563][T12455] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).