[ 3940.253272][T29641] gre: GRE over IPv4 demultiplexor driver
[ 3941.843317][T29664] ip_gre: GRE over IPv4 tunneling driver
[ 3990.102030][T30236] ip6_gre: GRE over IPv6 tunneling driver
[ 4007.168106][T25846] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4018.815069][   T64] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4023.422996][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4028.286997][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4032.510970][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4037.375164][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!