[  494.518209] netdevsim netdevsim298 eni298np1: renamed from eth0
[  494.613518] netdevsim netdevsim594 eni594np1: renamed from eth1
[  494.867592] Could not find device with ifindex 2000 in netnsfd 11
[  494.868049] Could not find netns with fd: 2000
[  494.868219] Cannot link a netdevsim to itself
[  494.868371] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).