[ 2167.539733][T17619] gre: GRE over IPv4 demultiplexor driver
[ 2169.286639][T17642] ip_gre: GRE over IPv4 tunneling driver
[ 2225.060574][T18214] ip6_gre: GRE over IPv6 tunneling driver
[ 2263.540170][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2268.979956][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2273.396945][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2278.515975][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!