[ 3620.379894][T27927] gre: GRE over IPv4 demultiplexor driver
[ 3622.015591][T27950] ip_gre: GRE over IPv4 tunneling driver
[ 3670.596027][T28525] ip6_gre: GRE over IPv6 tunneling driver
[ 3703.353710][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3708.216673][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3712.376690][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3717.240689][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!