[ 1267.384464][T12849] netdevsim netdevsim712 eni712np1: renamed from eth1
[ 1267.389101][T12848] netdevsim netdevsim305 eni305np1: renamed from eth0
[ 1269.997724][T12835] Could not find device with ifindex 2000 in netnsfd 11
[ 1270.000565][T12835] Could not find netns with fd: 2000
[ 1270.003972][T12835] Cannot link a netdevsim to itself
[ 1270.005319][T12835] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).