[ 1489.516219][T12611] netdevsim netdevsim656 eni656np1: renamed from eth1
[ 1489.527984][T12613] netdevsim netdevsim491 eni491np1: renamed from eth0
[ 1493.335135][T12605] Could not find device with ifindex 2000 in netnsfd 11
[ 1493.335973][T12605] Could not find netns with fd: 2000
[ 1493.336641][T12605] Cannot link a netdevsim to itself
[ 1493.337435][T12605] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).