[  841.144917][T15658] netdevsim netdevsim299 eni299np1: renamed from eth0
[  841.162275][T15660] netdevsim netdevsim547 eni547np1: renamed from eth1
[  841.766703][T15646] Could not find device with ifindex 2000 in netnsfd 11
[  841.767378][T15646] Could not find netns with fd: 2000
[  841.767838][T15646] Cannot link a netdevsim to itself
[  841.768676][T15646] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).