[  486.259098] netdevsim netdevsim522 eni522np1: renamed from eth1
[  486.356931] netdevsim netdevsim375 eni375np1: renamed from eth0
[  486.567582] Could not find device with ifindex 2000 in netnsfd 11
[  486.567938] Could not find netns with fd: 2000
[  486.568028] Cannot link a netdevsim to itself
[  486.568126] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).