[  483.060586] netdevsim netdevsim429 eni429np1: renamed from eth0
[  483.161585] netdevsim netdevsim657 eni657np1: renamed from eth1
[  483.498648] Could not find device with ifindex 2000 in netnsfd 11
[  483.498783] Could not find netns with fd: 2000
[  483.498846] Cannot link a netdevsim to itself
[  483.498936] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).