[ 3220.457331][T22916] gre: GRE over IPv4 demultiplexor driver
[ 3221.670276][T22939] ip_gre: GRE over IPv4 tunneling driver
[ 3266.094723][T23511] ip6_gre: GRE over IPv6 tunneling driver
[ 3293.626385][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3297.530199][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3300.922985][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3304.954188][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!