[  858.512880][T15813] netdevsim netdevsim507 eni507np1: renamed from eth0
[  858.521397][T15811] netdevsim netdevsim660 eni660np1: renamed from eth1
[  859.264948][T15800] Could not find device with ifindex 2000 in netnsfd 11
[  859.265643][T15800] Could not find netns with fd: 2000
[  859.266531][T15800] Cannot link a netdevsim to itself
[  859.267157][T15800] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).