[  486.343529] netdevsim netdevsim677 eni677np1: renamed from eth1
[  486.444905] netdevsim netdevsim283 eni283np1: renamed from eth0
[  486.782513] Could not find device with ifindex 2000 in netnsfd 11
[  486.782676] Could not find netns with fd: 2000
[  486.782775] Cannot link a netdevsim to itself
[  486.782877] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).