[ 1237.083922][T12510] netdevsim netdevsim273 eni273np1: renamed from eth0
[ 1237.161248][T12508] netdevsim netdevsim665 eni665np1: renamed from eth1
[ 1239.870333][T12499] Could not find device with ifindex 2000 in netnsfd 11
[ 1239.872376][T12499] Could not find netns with fd: 2000
[ 1239.873841][T12499] Cannot link a netdevsim to itself
[ 1239.876051][T12499] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).