[  960.629744][T12650] netdevsim netdevsim295 eni295np1: renamed from eth0
[  960.691411][T12649] netdevsim netdevsim604 eni604np1: renamed from eth1
[  962.315765][T12745] Could not find device with ifindex 2000 in netnsfd 11
[  962.316869][T12745] Could not find netns with fd: 2000
[  962.317773][T12745] Cannot link a netdevsim to itself
[  962.318849][T12745] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).