Description: tunnels: Don't apply GRO to multiple layers of encapsulation
References:
Notes:
 Introduced in bf5a755f5e9186406bbf50f4087100af5bd68e40 (3.14-rc1)
Bugs:
upstream: released (4.6-rc1) [fac8e0f579695a3ecbc4d3cac369139d7f819971]
3.16-upstream-stable: released (3.16.35) [23cca87ff225c1c7327a715db1bcc98a241b0efa]
3.2-upstream-stable: N/A "Vulnerable code not present"
sid: released (4.6.1-1)
3.16-jessie-security: released (3.16.36-1)
3.2-wheezy-security: N/A "Vulnerable code not present"