[ 3178.472738][T23665] gre: GRE over IPv4 demultiplexer driver
[ 3180.196069][T23688] ip_gre: GRE over IPv4 tunneling driver
[ 3228.566184][T24259] ip6_gre: GRE over IPv6 tunneling driver
[ 3261.814791][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3266.614695][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3270.839711][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3275.703706][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!