[  933.536394][T12472] netdevsim netdevsim388 eni388np1: renamed from eth0
[  933.639991][T12471] netdevsim netdevsim697 eni697np1: renamed from eth1
[  935.394740][T12464] Could not find device with ifindex 2000 in netnsfd 11
[  935.396000][T12464] Could not find netns with fd: 2000
[  935.396662][T12464] Cannot link a netdevsim to itself
[  935.397381][T12464] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).