[  481.712468] netdevsim netdevsim510 eni510np1: renamed from eth0
[  481.713206] netdevsim netdevsim536 eni536np1: renamed from eth1
[  481.790533] Could not find device with ifindex 2000 in netnsfd 11
[  481.790656] Could not find netns with fd: 2000
[  481.790729] Cannot link a netdevsim to itself
[  481.790796] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).