[  774.490754][T15471] netdevsim netdevsim459 eni459np1: renamed from eth0
[  774.519771][T15469] netdevsim netdevsim749 eni749np1: renamed from eth1
[  775.276555][T15458] Could not find device with ifindex 2000 in netnsfd 11
[  775.277336][T15458] Could not find netns with fd: 2000
[  775.277902][T15458] Cannot link a netdevsim to itself
[  775.278664][T15458] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).