[  485.865007] netdevsim netdevsim446 eni446np1: renamed from eth0
[  485.967278] netdevsim netdevsim609 eni609np1: renamed from eth1
[  486.302207] Could not find device with ifindex 2000 in netnsfd 11
[  486.302397] Could not find netns with fd: 2000
[  486.302499] Cannot link a netdevsim to itself
[  486.302629] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).