[  739.911046][T13101] netdevsim netdevsim487 eni487np1: renamed from eth0
[  739.949909][T13103] netdevsim netdevsim607 eni607np1: renamed from eth1
[  740.722595][T13089] Could not find device with ifindex 2000 in netnsfd 11
[  740.723932][T13089] Could not find netns with fd: 2000
[  740.724448][T13089] Cannot link a netdevsim to itself
[  740.725024][T13089] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).