[ 3346.222608][T24828] gre: GRE over IPv4 demultiplexer driver
[ 3347.852426][T24851] ip_gre: GRE over IPv4 tunneling driver
[ 3396.829075][T25433] ip6_gre: GRE over IPv6 tunneling driver
[ 3430.601744][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3435.465668][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3439.752672][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3444.681688][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!