[  483.240144] netdevsim netdevsim277 eni277np1: renamed from eth0
[  483.240783] netdevsim netdevsim548 eni548np1: renamed from eth1
[  483.327084] Could not find device with ifindex 2000 in netnsfd 11
[  483.327211] Could not find netns with fd: 2000
[  483.327313] Cannot link a netdevsim to itself
[  483.327421] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).