[ 1235.037178][T11134] netdevsim netdevsim538 eni538np1: renamed from eth1
[ 1235.047178][T11133] netdevsim netdevsim501 eni501np1: renamed from eth0
[ 1238.469326][T11125] Could not find device with ifindex 2000 in netnsfd 11
[ 1238.470025][T11125] Could not find netns with fd: 2000
[ 1238.470570][T11125] Cannot link a netdevsim to itself
[ 1238.471214][T11125] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).