[  768.439204][T14740] netdevsim netdevsim401 eni401np1: renamed from eth0
[  768.458037][T14739] netdevsim netdevsim740 eni740np1: renamed from eth1
[  769.050306][T14727] Could not find device with ifindex 2000 in netnsfd 11
[  769.050918][T14727] Could not find netns with fd: 2000
[  769.051368][T14727] Cannot link a netdevsim to itself
[  769.051907][T14727] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).