[  458.493770] netdevsim netdevsim355 eni355np1: renamed from eth0
[  458.495346] netdevsim netdevsim556 eni556np1: renamed from eth1
[  458.616152] Could not find device with ifindex 2000 in netnsfd 11
[  458.616263] Could not find netns with fd: 2000
[  458.616325] Cannot link a netdevsim to itself
[  458.616405] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).