[  460.650148] netdevsim netdevsim532 eni532np1: renamed from eth1
[  460.650789] netdevsim netdevsim446 eni446np1: renamed from eth0
[  460.737212] Could not find device with ifindex 2000 in netnsfd 11
[  460.737320] Could not find netns with fd: 2000
[  460.737367] Cannot link a netdevsim to itself
[  460.737419] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).