[  456.655161] netdevsim netdevsim367 eni367np1: renamed from eth0
[  456.656369] netdevsim netdevsim644 eni644np1: renamed from eth0
[  456.743203] Could not find device with ifindex 2000 in netnsfd 11
[  456.743369] Could not find netns with fd: 2000
[  456.743468] Cannot link a netdevsim to itself
[  456.743598] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).