[ 4606.093923][T23266] gre: GRE over IPv4 demultiplexor driver
[ 4608.198319][T23289] ip_gre: GRE over IPv4 tunneling driver
[ 4673.696252][T23861] ip6_gre: GRE over IPv6 tunneling driver
[ 4719.110962][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4725.318859][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4730.694857][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4736.966867][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!