[ 1234.394163][T11145] netdevsim netdevsim436 eni436np1: renamed from eth0
[ 1234.413079][T11144] netdevsim netdevsim603 eni603np1: renamed from eth1
[ 1237.773878][T11137] Could not find device with ifindex 2000 in netnsfd 11
[ 1237.774628][T11137] Could not find netns with fd: 2000
[ 1237.775248][T11137] Cannot link a netdevsim to itself
[ 1237.775966][T11137] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).