[ 1425.166420][T12512] netdevsim netdevsim501 eni501np1: renamed from eth0
[ 1425.195786][T12513] netdevsim netdevsim704 eni704np1: renamed from eth1
[ 1429.010095][T12506] Could not find device with ifindex 2000 in netnsfd 11
[ 1429.010901][T12506] Could not find netns with fd: 2000
[ 1429.011513][T12506] Cannot link a netdevsim to itself
[ 1429.012424][T12506] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).