[ 2616.817680][T19282] gre: GRE over IPv4 demultiplexor driver
[ 2618.602737][T19305] ip_gre: GRE over IPv4 tunneling driver
[ 2673.064209][T19876] ip6_gre: GRE over IPv6 tunneling driver
[ 2711.301336][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2716.549206][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2721.093211][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2726.597203][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!