[ 1239.536302][T11142] netdevsim netdevsim563 eni563np1: renamed from eth1
[ 1239.629837][T11144] netdevsim netdevsim349 eni349np1: renamed from eth0
[ 1242.901196][T11136] Could not find device with ifindex 2000 in netnsfd 11
[ 1242.902091][T11136] Could not find netns with fd: 2000
[ 1242.902743][T11136] Cannot link a netdevsim to itself
[ 1242.903483][T11136] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).