[  483.237597] netdevsim netdevsim298 eni298np1: renamed from eth0
[  483.338631] netdevsim netdevsim618 eni618np1: renamed from eth1
[  483.657135] Could not find device with ifindex 2000 in netnsfd 11
[  483.657309] Could not find netns with fd: 2000
[  483.657404] Cannot link a netdevsim to itself
[  483.657522] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).