[  517.147415] netdevsim netdevsim755 eni755np1: renamed from eth1
[  517.236614] netdevsim netdevsim289 eni289np1: renamed from eth0
[  517.708708] Could not find device with ifindex 2000 in netnsfd 11
[  517.709059] Could not find netns with fd: 2000
[  517.709239] Cannot link a netdevsim to itself
[  517.709467] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).