[ 4317.526837][T20404] gre: GRE over IPv4 demultiplexor driver
[ 4319.601510][T20428] ip_gre: GRE over IPv4 tunneling driver
[ 4382.832948][T21001] ip6_gre: GRE over IPv6 tunneling driver
[ 4425.268443][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4431.156338][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4436.148311][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4441.909331][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!