[  764.320446][T14456] netdevsim netdevsim478 eni478np1: renamed from eth0
[  764.330397][T14458] netdevsim netdevsim531 eni531np1: renamed from eth1
[  764.955425][T14444] Could not find device with ifindex 2000 in netnsfd 11
[  764.956031][T14444] Could not find netns with fd: 2000
[  764.956436][T14444] Cannot link a netdevsim to itself
[  764.956906][T14444] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).