[  483.076494] netdevsim netdevsim270 eni270np1: renamed from eth0
[  483.178550] netdevsim netdevsim726 eni726np1: renamed from eth1
[  483.569979] Could not find device with ifindex 2000 in netnsfd 11
[  483.570110] Could not find netns with fd: 2000
[  483.570175] Cannot link a netdevsim to itself
[  483.570256] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).