[ 1240.130449][T11143] netdevsim netdevsim656 eni656np1: renamed from eth1
[ 1240.153951][T11144] netdevsim netdevsim329 eni329np1: renamed from eth0
[ 1243.500220][T11136] Could not find device with ifindex 2000 in netnsfd 11
[ 1243.500954][T11136] Could not find netns with fd: 2000
[ 1243.501525][T11136] Cannot link a netdevsim to itself
[ 1243.502237][T11136] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).