[  837.939327][T14764] netdevsim netdevsim492 eni492np1: renamed from eth0
[  837.962181][T14766] netdevsim netdevsim594 eni594np1: renamed from eth1
[  838.778238][T14752] Could not find device with ifindex 2000 in netnsfd 11
[  838.779035][T14752] Could not find netns with fd: 2000
[  838.779411][T14752] Cannot link a netdevsim to itself
[  838.779846][T14752] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).