[ 1250.713396][T12620] netdevsim netdevsim294 eni294np1: renamed from eth0
[ 1250.833065][T12617] netdevsim netdevsim712 eni712np1: renamed from eth1
[ 1253.515768][T12608] Could not find device with ifindex 2000 in netnsfd 11
[ 1253.517042][T12608] Could not find netns with fd: 2000
[ 1253.517961][T12608] Cannot link a netdevsim to itself
[ 1253.519054][T12608] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).