[  551.440522] netdevsim netdevsim630 eni630np1: renamed from eth1
[  551.538659] netdevsim netdevsim298 eni298np1: renamed from eth0
[  551.810836] Could not find device with ifindex 2000 in netnsfd 11
[  551.811078] Could not find netns with fd: 2000
[  551.811280] Cannot link a netdevsim to itself
[  551.811424] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).