[  488.343261] netdevsim netdevsim529 eni529np1: renamed from eth1
[  488.440549] netdevsim netdevsim343 eni343np1: renamed from eth0
[  488.694019] Could not find device with ifindex 2000 in netnsfd 11
[  488.694246] Could not find netns with fd: 2000
[  488.694361] Cannot link a netdevsim to itself
[  488.694467] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).