[ 1418.071124][T12510] netdevsim netdevsim561 eni561np1: renamed from eth1
[ 1418.093711][T12509] netdevsim netdevsim434 eni434np1: renamed from eth0
[ 1421.794710][T12503] Could not find device with ifindex 2000 in netnsfd 11
[ 1421.795593][T12503] Could not find netns with fd: 2000
[ 1421.796570][T12503] Cannot link a netdevsim to itself
[ 1421.797420][T12503] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).