[ 3255.381115][T27769] gre: GRE over IPv4 demultiplexor driver
[ 3256.525405][T27792] ip_gre: GRE over IPv4 tunneling driver
[ 3292.775323][T28364] ip6_gre: GRE over IPv6 tunneling driver
[ 3317.461400][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3321.301299][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3324.565302][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3328.341300][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!