[ 4390.377961][T28843] gre: GRE over IPv4 demultiplexer driver
[ 4392.044034][T28867] ip_gre: GRE over IPv4 tunneling driver
[ 4442.548660][T29447] ip6_gre: GRE over IPv6 tunneling driver
[ 4476.960775][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4481.951708][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4486.304675][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4491.231682][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!