[ 3353.461840][T30575] gre: GRE over IPv4 demultiplexor driver
[ 3354.653289][T30598] ip_gre: GRE over IPv4 tunneling driver
[ 3388.778680][T31183] ip6_gre: GRE over IPv6 tunneling driver
[ 3390.103312][T28391] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3411.799153][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3415.383156][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3418.519147][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3422.167160][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!