[  517.334562] netdevsim netdevsim602 eni602np1: renamed from eth1
[  517.432148] netdevsim netdevsim455 eni455np1: renamed from eth0
[  517.649722] Could not find device with ifindex 2000 in netnsfd 11
[  517.649939] Could not find netns with fd: 2000
[  517.650041] Cannot link a netdevsim to itself
[  517.650168] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).