[ 1780.052878][  T527] gre: GRE over IPv4 demultiplexer driver
[ 1780.526400][  T550] ip_gre: GRE over IPv4 tunneling driver
[ 1796.993586][ T1129] ip6_gre: GRE over IPv6 tunneling driver
[ 1807.754651][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1809.803616][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1811.659615][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1813.706610][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!