[  510.152221] netdevsim netdevsim259 eni259np1: renamed from eth0
[  510.250031] netdevsim netdevsim607 eni607np1: renamed from eth1
[  510.444975] Could not find device with ifindex 2000 in netnsfd 11
[  510.445115] Could not find netns with fd: 2000
[  510.445186] Cannot link a netdevsim to itself
[  510.445272] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).