[  822.619744][T14617] netdevsim netdevsim291 eni291np1: renamed from eth0
[  822.638465][T14619] netdevsim netdevsim703 eni703np1: renamed from eth1
[  823.220279][T14605] Could not find device with ifindex 2000 in netnsfd 11
[  823.222128][T14605] Could not find netns with fd: 2000
[  823.222518][T14605] Cannot link a netdevsim to itself
[  823.222966][T14605] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).