[  471.103439] netdevsim netdevsim335 eni335np1: renamed from eth0
[  471.103611] netdevsim netdevsim752 eni752np1: renamed from eth1
[  471.184595] Could not find device with ifindex 2000 in netnsfd 11
[  471.184681] Could not find netns with fd: 2000
[  471.184726] Cannot link a netdevsim to itself
[  471.184778] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).