[ 1006.492083][T12120] netdevsim netdevsim410 eni410np1: renamed from eth0
[ 1006.597240][T12056] netdevsim netdevsim539 eni539np1: renamed from eth1
[ 1008.422045][T12543] Could not find device with ifindex 2000 in netnsfd 11
[ 1008.423012][T12543] Could not find netns with fd: 2000
[ 1008.423898][T12543] Cannot link a netdevsim to itself
[ 1008.424690][T12543] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).