[  766.686533][T13105] netdevsim netdevsim291 eni291np1: renamed from eth0
[  766.708081][T13107] netdevsim netdevsim610 eni610np1: renamed from eth1
[  767.621699][T13093] Could not find device with ifindex 2000 in netnsfd 11
[  767.622657][T13093] Could not find netns with fd: 2000
[  767.623158][T13093] Cannot link a netdevsim to itself
[  767.623750][T13093] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).