[  472.910946] netdevsim netdevsim455 eni455np1: renamed from eth0
[  472.911959] netdevsim netdevsim705 eni705np1: renamed from eth1
[  472.985471] Could not find device with ifindex 2000 in netnsfd 11
[  472.985596] Could not find netns with fd: 2000
[  472.985686] Cannot link a netdevsim to itself
[  472.985786] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).