[  483.152864] netdevsim netdevsim263 eni263np1: renamed from eth0
[  483.254740] netdevsim netdevsim548 eni548np1: renamed from eth1
[  483.589979] Could not find device with ifindex 2000 in netnsfd 11
[  483.590131] Could not find netns with fd: 2000
[  483.590217] Cannot link a netdevsim to itself
[  483.590335] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).