[  471.175245] netdevsim netdevsim357 eni357np1: renamed from eth0
[  471.175667] netdevsim netdevsim639 eni639np1: renamed from eth1
[  471.255691] Could not find device with ifindex 2000 in netnsfd 11
[  471.255849] Could not find netns with fd: 2000
[  471.255959] Cannot link a netdevsim to itself
[  471.256076] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).