[  483.748415] netdevsim netdevsim279 eni279np1: renamed from eth0
[  483.748642] netdevsim netdevsim671 eni671np1: renamed from eth1
[  483.830494] Could not find device with ifindex 2000 in netnsfd 11
[  483.830578] Could not find netns with fd: 2000
[  483.830620] Cannot link a netdevsim to itself
[  483.830672] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).