[  485.529330] netdevsim netdevsim283 eni283np1: renamed from eth0
[  485.529735] netdevsim netdevsim520 eni520np1: renamed from eth1
[  485.622570] Could not find device with ifindex 2000 in netnsfd 11
[  485.622668] Could not find netns with fd: 2000
[  485.622712] Cannot link a netdevsim to itself
[  485.622763] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).