[  522.675896] netdevsim netdevsim459 eni459np1: renamed from eth0
[  522.772991] netdevsim netdevsim534 eni534np1: renamed from eth1
[  523.005873] Could not find device with ifindex 2000 in netnsfd 11
[  523.006058] Could not find netns with fd: 2000
[  523.006135] Cannot link a netdevsim to itself
[  523.006238] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).