Description: kernel panic on ioctl(TUNSETIFF) with a dev name with '/'
References:
 https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1743792
 https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1748846
Notes:
Bugs:
upstream: released (4.14-rc6) [0ad646c81b2182f7fa67ec0c8c825e0ee165696d], released (4.14-rc7) [5c25f65fd1e42685f7ccd80e0621829c105785d9]
4.19-upstream-stable: N/A "Fixed before branching point"
4.9-upstream-stable: released (4.9.63) [3e2ab0ceef68ab995bc9f7c699e62b95c0edcdc4, 210a6418730b4caf082d67a7c80ecbe45ecd8f86]
3.16-upstream-stable: released (3.16.52) [ff31768dd6814abefb7724fa6dc0976b33edce0e], released (3.16.57) [778e5ae8c900c4d781b6b510cede9b0970867dd0]
sid: released (4.14.2-1)
4.9-stretch-security: released (4.9.65-1)
3.16-jessie-security: released (3.16.56-1+deb8u1)