[  482.769609] netdevsim netdevsim607 eni607np1: renamed from eth1
[  482.870192] netdevsim netdevsim397 eni397np1: renamed from eth0
[  483.262504] Could not find device with ifindex 2000 in netnsfd 11
[  483.262678] Could not find netns with fd: 2000
[  483.262777] Cannot link a netdevsim to itself
[  483.262918] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).